Basic JavaScript | Pre-Assessment 01 | Computer Science

Question 1

You can store a value in a variable with the ________________ operator.

Accepted Answer

assingment

Question 2

Write variable names in JavaScript in ______________ .

Accepted Answer

camelCase

Question 3

allow computers to store and manipulate data in a dynamic fashion.

Accepted Answer

variables

Question 4

Determine which of the following exhibit the CORRECT way to make a multi-line comment.

Accepted Answer

/* This is a multi-line comment */

Question 5

var myVar = 0;

Accepted Answer

Creates new variable named myVar with an initial value of 0.

Question 6

collections of characters

Accepted Answer

strings

Question 7

variable names can

Accepted Answer

be made up of numbers, letters and & or -

Question 8

myVariable = 5;

Accepted Answer

Assigns the Number value 5 to myVariable.

Question 9

We tell JavaScript to ____ a variable by putting the keyword var in front of it.

Accepted Answer

declare

Question 10

this will tell JavaScript to ignore the remainder of the text on the current line:

Accepted Answer

//

Question 11

EVERYTHING to the right of the ___ operator is resolved first

Accepted Answer

=

Question 12

Assignment ALWAYS goes from

Accepted Answer

right to left

Question 13

DEFINE a variable a with var and initialize it to a value of 9.

Accepted Answer

var a = 9;

Question 14

When JavaScript variables are declared, they have an initial value of ____________ .

Accepted Answer

undefined

Question 15

In computer science, ____ is anything that is meaningful to the computer.

Accepted Answer

data

Question 16

Computers can perform these on a number, but not on a string.

Accepted Answer

mathematical operations

Question 17

As you write code, you should regularly add these to clarify the function of your code.

Accepted Answer

comments

Question 18

i feel ____ about the content presented in this assessment.

Accepted Answer

Green-I know this, Blue-I can teach or sing about this.

Question 19

If you concatenate a string with an undefined variable, you will get a literal string of "___".

Accepted Answer

undefined

Question 20

In JavaScript all variables and function names are case sensitive.

Accepted Answer

True

Question 21

Mr. G is _____________ .

Accepted Answer

veryHandsome

Question 22

MYVAR =

Accepted Answer

MYVAR

Question 23

It is common to ____ a variable to an initial value in the same line as it is declared.

Accepted Answer

initialize

Question 24

undefined, null, boolean, string, symbol, number, and object

Accepted Answer

data types

Question 25

var ourName;

Accepted Answer

creates a variable called ourName

Question 26

Lines of code that JavaScript will intentionally ignore.

Accepted Answer

comments

Question 27

Computer variables can store different values at different times.

Accepted Answer

true

Question 28

lol NaN

Accepted Answer

laugh out loud not a number

Basic JavaScript | Pre-Assessment 01 | Computer Science

Questions 28

Basic JavaScript | Pre-Assessment 01 | Computer Science

Questions 28